๐Ÿ  Fish Compatibility Guide

Can Black Neon Tetra and Black Phantom Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 96/100
96/100 โ€” Compatible

Black Neon Tetra and Black Phantom Tetra Compatibility Overview

Black Neon Tetra and Black Phantom Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Black Neon Tetra and Black Phantom Tetra
FactorBlack Neon TetraBlack Phantom TetraVerdict
Temperature68โ€“82ยฐF68โ€“82ยฐFโœ… 68โ€“82ยฐF
pH Range5.0โ€“7.55.0โ€“7.0โœ… 5.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.4 in1.4 inโœ… Similar
Min. Group8+8+See below
Min. Tank Size20 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.
Temperament risk is relatively low when normal group sizes are maintained.

Caution Points

No major compatibility issues identified for this pair.

Species Profiles

Black Neon Tetra โ€” Hyphessobrycon herbertaxelrodi

Black Neon Tetra and Black Phantom Tetra compatibility โ€” Black Neon Tetra

The Black Neon Tetra is a popular freshwater species known for its vibrant colors and peaceful temperament. It is an excellent addition to community tanks, thriving in groups of 6 or more. These tetras require a well-maintained aquarium with a flowing current and plenty of swimming space. With proper care, they can live up to 5 years.

โ†’ Full Black Neon Tetra care guide

Black Phantom Tetra โ€” Hyphessobrycon megalopterus

Black Neon Tetra and Black Phantom Tetra compatibility โ€” Black Phantom Tetra

The Black Phantom Tetra is a popular freshwater fish known for its striking black and silver coloration. It is generally peaceful and can be kept in a community tank with other non-aggressive species. They require a well-maintained tank with a moderate water flow and a good cover of plants.

โ†’ Full Black Phantom Tetra care guide

Frequently Asked Questions

Can Black Neon Tetra live with Black Phantom Tetra?

Yes, in a well-planned setup. Black Neon Tetra and Black Phantom Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Black Neon Tetra and Black Phantom Tetra together?

A minimum of 20 gallons is recommended for keeping Black Neon Tetra and Black Phantom Tetra together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Black Neon Tetra and Black Phantom Tetra?

68โ€“82ยฐF โ€” inside Black Neon Tetra's 68โ€“82ยฐF and Black Phantom Tetra's 68โ€“82ยฐF.

Is a Black Neon Tetra aggressive toward a Black Phantom Tetra?

Black Neon Tetra is peaceful and Black Phantom Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Black Neon Tetra and Black Phantom Tetra

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable20 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community29 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup55 galBest when keeping larger schools or reducing territorial pressure.